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653 lines
17 KiB
653 lines
17 KiB
//____________________________________________________________________________
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1995 - 1996.
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//
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// File: dataobj.cxx
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//
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// Contents:
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//
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// Classes:
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//
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// Functions:
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//
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// History: 1/17/1996 RaviR Created
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//
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//____________________________________________________________________________
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#include "..\pch\headers.hxx"
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#pragma hdrstop
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#include "dbg.h"
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#include "macros.h"
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#include "jobidl.hxx"
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#include <StrSafe.h>
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extern "C" UINT g_cfJobIDList;
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extern "C" UINT g_cfShellIDList;
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extern "C" UINT g_cfPreferredDropEffect;
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//____________________________________________________________________________
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//
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// Class: CObjFormats
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//
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// Purpose: Impements IEnumFORMATETC for job objects.
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//____________________________________________________________________________
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class CObjFormats : public IEnumFORMATETC
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{
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friend HRESULT JFGetObjFormats(UINT cfmt, FORMATETC *afmt, LPVOID *ppvObj);
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public:
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~CObjFormats() { if (m_aFmt) delete [] m_aFmt; }
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// IUnknown methods
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DECLARE_STANDARD_IUNKNOWN;
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// IEnumFORMATETC methods
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STDMETHODIMP Next(ULONG celt, FORMATETC *rgelt, ULONG *pceltFethed);
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STDMETHODIMP Skip(ULONG celt);
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STDMETHODIMP Reset();
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STDMETHODIMP Clone(IEnumFORMATETC ** ppenum);
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private:
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CObjFormats(UINT cfmt, FORMATETC * afmt)
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: m_iFmt(0), m_cFmt(cfmt), m_aFmt(afmt), m_ulRefs(1) {}
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UINT m_iFmt;
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UINT m_cFmt;
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FORMATETC * m_aFmt;
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};
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//____________________________________________________________________________
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//
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// Members: IUnknown methods
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//____________________________________________________________________________
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IMPLEMENT_STANDARD_IUNKNOWN(CObjFormats);
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STDMETHODIMP
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CObjFormats::QueryInterface(
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REFIID riid,
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LPVOID FAR* ppvObj)
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{
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if (IsEqualIID(IID_IUnknown, riid) ||
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IsEqualIID(IID_IEnumFORMATETC, riid))
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{
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*ppvObj = (IUnknown*)(IEnumFORMATETC*) this;
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this->AddRef();
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return S_OK;
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}
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*ppvObj = NULL;
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return E_NOINTERFACE;
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}
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//____________________________________________________________________________
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//
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// Members: IEnumFORMATETC methods
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//____________________________________________________________________________
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STDMETHODIMP
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CObjFormats::Next(
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ULONG celt,
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FORMATETC *rgelt,
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ULONG *pceltFethed)
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{
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UINT cfetch = 0;
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HRESULT hr = S_FALSE;
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if (m_iFmt < m_cFmt)
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{
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cfetch = m_cFmt - m_iFmt;
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if (cfetch >= celt)
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{
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cfetch = celt;
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hr = S_OK;
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}
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CopyMemory(rgelt, &m_aFmt[m_iFmt], cfetch * sizeof(FORMATETC));
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m_iFmt += cfetch;
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}
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if (pceltFethed)
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{
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*pceltFethed = cfetch;
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}
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return hr;
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}
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STDMETHODIMP
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CObjFormats::Skip(
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ULONG celt)
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{
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m_iFmt += celt;
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if (m_iFmt > m_cFmt)
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{
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m_iFmt = m_cFmt;
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return S_FALSE;
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}
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return S_OK;
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}
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STDMETHODIMP
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CObjFormats::Reset()
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{
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m_iFmt = 0;
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return S_OK;
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}
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STDMETHODIMP
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CObjFormats::Clone(
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IEnumFORMATETC ** ppenum)
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{
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return E_NOTIMPL;
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}
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//____________________________________________________________________________
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//
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// Function: Function to obtain the IEnumFORMATETC interface for jobs.
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//____________________________________________________________________________
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HRESULT
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JFGetObjFormats(
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UINT cfmt,
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FORMATETC * afmt,
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LPVOID * ppvObj)
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{
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TRACE_FUNCTION(JFGetObjFormats);
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FORMATETC * pFmt = new FORMATETC[cfmt];
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if (pFmt == NULL)
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{
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CHECK_HRESULT(E_OUTOFMEMORY);
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return E_OUTOFMEMORY;
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}
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CopyMemory(pFmt, afmt, cfmt * sizeof(FORMATETC));
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CObjFormats * pObjFormats = new CObjFormats(cfmt, pFmt);
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if (pObjFormats == NULL)
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{
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delete [] pFmt;
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CHECK_HRESULT(E_OUTOFMEMORY);
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return E_OUTOFMEMORY;
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}
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HRESULT hr = pObjFormats->QueryInterface(IID_IEnumFORMATETC, ppvObj);
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pObjFormats->Release();
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DEBUG_OUT((DEB_TRACE, "RETURNING CObjFormats<%x, %d>\n",
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pObjFormats, pObjFormats->m_ulRefs));
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return hr;
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}
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//____________________________________________________________________________
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//____________________________________________________________________________
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//________________ _______________________________________
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//________________ class CJobObject _______________________________________
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//________________ _______________________________________
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//____________________________________________________________________________
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//____________________________________________________________________________
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class CJobObject : public IDataObject
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{
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public:
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CJobObject(
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LPCTSTR pszFolderPath,
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LPITEMIDLIST pidlFolder,
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UINT cidl,
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LPITEMIDLIST *apidl,
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BOOL fCut);
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~CJobObject()
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{
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ILA_Free(m_cidl, m_apidl);
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ILFree(m_pidlFolder);
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DEBUG_ASSERT(m_ulRefs == 0);
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}
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// Iunknown methods
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DECLARE_STANDARD_IUNKNOWN;
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// IDataObject
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STDMETHODIMP GetData(FORMATETC *pformatetcIn, STGMEDIUM *pmedium);
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STDMETHODIMP GetDataHere(FORMATETC *pformatetc, STGMEDIUM *pmedium);
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STDMETHODIMP QueryGetData(FORMATETC *pformatetc);
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STDMETHODIMP GetCanonicalFormatEtc(FORMATETC *pformatectIn,
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FORMATETC *pformatetcOut);
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STDMETHODIMP SetData(FORMATETC *pformatetc, STGMEDIUM *pmedium,
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BOOL fRelease);
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STDMETHODIMP EnumFormatEtc(DWORD dwDirection,
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IEnumFORMATETC **ppenumFormatEtc);
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STDMETHODIMP DAdvise(FORMATETC *pformatetc, DWORD advf,
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IAdviseSink *pAdvSink, DWORD *pdwConnection);
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STDMETHODIMP DUnadvise(DWORD dwConnection);
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STDMETHODIMP EnumDAdvise(IEnumSTATDATA **ppenumAdvise);
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private:
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LPCTSTR m_pszFolderPath;
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LPITEMIDLIST m_pidlFolder;
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UINT m_cidl;
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LPITEMIDLIST * m_apidl;
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BOOL m_fCut; // this is for a cut operation
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};
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inline
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CJobObject::CJobObject(
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LPCTSTR pszFolderPath,
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LPITEMIDLIST pidlFolder,
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UINT cidl,
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LPITEMIDLIST *apidl,
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BOOL fCut):
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m_cidl(cidl),
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m_pszFolderPath(pszFolderPath),
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m_pidlFolder(pidlFolder),
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m_apidl(apidl),
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m_ulRefs(1),
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m_fCut(fCut)
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{
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}
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//____________________________________________________________________________
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//
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// Members: IUnknown methods
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//____________________________________________________________________________
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IMPLEMENT_STANDARD_IUNKNOWN(CJobObject);
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STDMETHODIMP
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CJobObject::QueryInterface(
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REFIID riid,
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LPVOID FAR* ppvObj)
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{
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if (IsEqualIID(IID_IUnknown, riid) ||
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IsEqualIID(IID_IDataObject, riid))
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{
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*ppvObj = (IUnknown*)((IDataObject*)this);
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this->AddRef();
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return S_OK;
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}
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*ppvObj = NULL;
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return E_NOINTERFACE;
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}
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//____________________________________________________________________________
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//
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// Function: DbgPrintFmt
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//
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// Synopsis: Function to print out the format name.
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//____________________________________________________________________________
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#if DBG==1
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void
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DbgPrintFmt(
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UINT format)
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{
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#undef DEB_USEREX
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#define DEB_USEREX DEB_USER15
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TCHAR szFmtName[550];
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int cchFmtName = 550;
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if (format == g_cfJobIDList)
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{
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DEBUG_OUT((DEB_USEREX, "\t\t<Format=Job IDList Array>\n"));
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return;
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}
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else if (format == g_cfPreferredDropEffect)
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{
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DEBUG_OUT((DEB_USEREX, "\t\t<Format=Preferred DropEffect>\n"));
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return;
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}
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int iRet = GetClipboardFormatName(format, szFmtName, cchFmtName);
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if (iRet == 0)
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if (GetLastError() == 0)
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DEBUG_OUT((DEB_USEREX, "\t\t<Predefined format=%d>\n", format));
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else
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DEBUG_OUT((DEB_USEREX, "\t\t<Unknown Format=%d>\n", format));
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else
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DEBUG_OUT((DEB_USEREX, "\t\t<Format=%ws>\n", szFmtName));
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}
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#define DBG_PRINT_FMT(fmt) DbgPrintFmt(fmt)
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#else
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#define DBG_PRINT_FMT(fmt)
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#endif
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//____________________________________________________________________________
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//
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// Member: CJobObject::IDataObject::GetData
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//
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// History: 1/31/1996 RaviR Created
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//____________________________________________________________________________
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STDMETHODIMP
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CJobObject::GetData(
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FORMATETC *pfmt,
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STGMEDIUM *pmedium)
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{
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TRACE(CJobObject, GetData);
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DBG_PRINT_FMT(pfmt->cfFormat);
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Win4Assert(g_cfJobIDList != 0);
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if (pfmt->tymed & TYMED_HGLOBAL)
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{
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if (pfmt->cfFormat == CF_HDROP)
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{
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pmedium->hGlobal = HDROPFromJobIDList(m_pszFolderPath,
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m_cidl, (PJOBID *)m_apidl);
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}
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else if (pfmt->cfFormat == g_cfShellIDList)
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{
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pmedium->hGlobal = CreateIDListArray(m_pidlFolder,
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m_cidl,
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(PJOBID *)m_apidl);
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}
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else if (pfmt->cfFormat == g_cfJobIDList)
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{
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// Note Ole32's GetHGlobalFromILockBytes uses this
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pmedium->hGlobal = HJOBIDA_Create(m_cidl, (PJOBID *)m_apidl);
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}
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else if (pfmt->cfFormat == g_cfPreferredDropEffect)
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{
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DWORD *pdw = (DWORD *)GlobalAlloc(GPTR, sizeof(DWORD));
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if (pdw)
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{
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*pdw = m_fCut ? DROPEFFECT_MOVE : DROPEFFECT_COPY;
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pmedium->hGlobal = (HGLOBAL)pdw;
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}
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}
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else
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{
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pmedium->tymed = TYMED_NULL;
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pmedium->hGlobal = NULL;
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pmedium->pUnkForRelease = NULL;
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return DATA_E_FORMATETC;
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}
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if (pmedium->hGlobal != NULL)
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{
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pmedium->tymed = TYMED_HGLOBAL;
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pmedium->pUnkForRelease = NULL;
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return S_OK;
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}
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else
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{
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return E_OUTOFMEMORY;
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}
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}
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return DV_E_TYMED;
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}
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//____________________________________________________________________________
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//
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// Member: CJobObject::IDataObject::GetDataHere
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//____________________________________________________________________________
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STDMETHODIMP
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CJobObject::GetDataHere(
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FORMATETC *pfmt,
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STGMEDIUM *pmedium)
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{
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TRACE(CJobObject, GetDataHere);
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DBG_PRINT_FMT(pfmt->cfFormat);
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return E_NOTIMPL;
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}
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//____________________________________________________________________________
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//
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// Member: CJobObject::IDataObject::QueryGetData
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//
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// History: 1/31/1996 RaviR Created
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//____________________________________________________________________________
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STDMETHODIMP
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CJobObject::QueryGetData(
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FORMATETC *pfmt)
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{
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TRACE(CJobObject, QueryGetData);
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DBG_PRINT_FMT(pfmt->cfFormat);
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//
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// Check the aspects we support.
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//
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if (!(DVASPECT_CONTENT & pfmt->dwAspect))
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{
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return DATA_E_FORMATETC;
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}
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Win4Assert(g_cfJobIDList != 0);
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if (pfmt->cfFormat == CF_HDROP ||
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pfmt->cfFormat == g_cfJobIDList ||
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pfmt->cfFormat == g_cfShellIDList ||
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pfmt->cfFormat == g_cfPreferredDropEffect)
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{
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return S_OK;
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}
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return S_FALSE;
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}
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//____________________________________________________________________________
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//
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// Member: CJobObject::IDataObject::GetCanonicalFormatEtc
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//____________________________________________________________________________
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STDMETHODIMP
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CJobObject::GetCanonicalFormatEtc(
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FORMATETC *pfmtIn,
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FORMATETC *pfmtOut)
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{
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TRACE(CJobObject, GetCanonicalFormatEtc);
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*pfmtOut = *pfmtIn;
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pfmtOut->ptd = NULL;
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return DATA_S_SAMEFORMATETC;
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}
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//____________________________________________________________________________
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//
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// Member: CJobObject::IDataObject::SetData
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//____________________________________________________________________________
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STDMETHODIMP
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CJobObject::SetData(
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FORMATETC *pfmt,
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STGMEDIUM *pmedium,
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BOOL fRelease)
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{
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TRACE(CJobObject, SetData);
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DBG_PRINT_FMT(pfmt->cfFormat);
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return E_NOTIMPL;
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}
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//____________________________________________________________________________
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//
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// Member: CJobObject::IDataObject::EnumFormatEtc
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//
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// History: 1/31/1996 RaviR Created
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//____________________________________________________________________________
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STDMETHODIMP
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CJobObject::EnumFormatEtc(
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DWORD dwDirection,
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IEnumFORMATETC **ppenumFormatEtc)
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{
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TRACE(CJobObject, EnumFormatEtc);
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if (dwDirection == DATADIR_SET)
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{
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return E_FAIL;
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}
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FORMATETC fmte[] = {
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{CF_HDROP, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL},
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{(CLIPFORMAT)g_cfJobIDList, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL},
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{(CLIPFORMAT)g_cfShellIDList, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL},
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{(CLIPFORMAT)g_cfPreferredDropEffect, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL},
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};
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HRESULT hr = JFGetObjFormats(ARRAYLEN(fmte), fmte, (void**)ppenumFormatEtc);
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return hr;
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}
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//____________________________________________________________________________
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//
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// Member: CJobObject::IDataObject::DAdvise
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//____________________________________________________________________________
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STDMETHODIMP
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CJobObject::DAdvise(
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FORMATETC *pformatetc,
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DWORD advf,
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IAdviseSink *pAdvSink,
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DWORD *pdwConnection)
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{
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TRACE(CJobObject, DAdvise);
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return E_NOTIMPL;
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}
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//____________________________________________________________________________
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//
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// Member: CJobObject::IDataObject::DUnadvise
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//____________________________________________________________________________
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STDMETHODIMP
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CJobObject::DUnadvise(
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DWORD dwConnection)
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{
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TRACE(CJobObject, DUnadvise);
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return E_NOTIMPL;
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}
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//____________________________________________________________________________
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//
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// Member: CJobObject::IDataObject::EnumDAdvise
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//____________________________________________________________________________
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STDMETHODIMP
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CJobObject::EnumDAdvise(
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IEnumSTATDATA **ppenumAdvise)
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{
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TRACE(CJobObject, EnumDAdvise);
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return E_NOTIMPL;
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}
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//+--------------------------------------------------------------------------
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//
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// Function: JFGetDataObject
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//
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// Synopsis: Function to create a data object for jobs in the job folder.
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//
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// Arguments: [pszFolderPath] - full path to tasks folder
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// [pidlFolder] - pidl to that folder, supplied by shell's
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// call to IPersistFolder::Initialize.
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// [cidl] - number elements in array
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// [apidl] - array of idls, each naming a .job object
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// [fCut] - TRUE if this is created for cut operation
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// [ppvObj] - filled with pointer to new data object
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//
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// Returns: HRESULT
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//
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// Modifies: *[ppvObj]
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//
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// History: 01/31/1996 RaviR Created
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// 05-30-1997 DavidMun Pass copy of [pidlFolder]
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//
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//---------------------------------------------------------------------------
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HRESULT
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JFGetDataObject(
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LPCTSTR pszFolderPath,
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LPCITEMIDLIST pidlFolder,
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UINT cidl,
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LPCITEMIDLIST * apidl,
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BOOL fCut,
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LPVOID * ppvObj)
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{
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TRACE_FUNCTION(JFGetDataObject);
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LPITEMIDLIST * apidlTemp = ILA_Clone(cidl, apidl);
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if (NULL == apidlTemp)
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{
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CHECK_HRESULT(E_OUTOFMEMORY);
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return E_OUTOFMEMORY;
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}
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LPITEMIDLIST pidlFolderCopy = ILClone(pidlFolder);
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if (!pidlFolderCopy)
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{
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ILA_Free(cidl, apidlTemp);
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CHECK_HRESULT(E_OUTOFMEMORY);
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return E_OUTOFMEMORY;
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}
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CJobObject * pJobObjects = new CJobObject(pszFolderPath,
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pidlFolderCopy,
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cidl,
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apidlTemp,
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fCut);
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if (pJobObjects == NULL)
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{
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|
ILA_Free(cidl, apidlTemp);
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CHECK_HRESULT(E_OUTOFMEMORY);
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return E_OUTOFMEMORY;
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}
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HRESULT hr = pJobObjects->QueryInterface(IID_IDataObject, ppvObj);
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pJobObjects->Release();
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return hr;
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}
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